1355097663 has 24 divisors (see below), whose sum is σ = 2011136400. Its totient is φ = 878897664.

The previous prime is 1355097629. The next prime is 1355097671. The reversal of 1355097663 is 3667905531.

1355097663 is a `hidden beast` number, since 1 + 3 + 550 + 97 + 6 + 6 + 3 = 666.

It is not a de Polignac number, because 1355097663 - 2⁸ = 1355097407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355097563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38353 + ... + 64661.

It is an arithmetic number, because the mean of its divisors is an integer number (83797350).

Almost surely, 2^1355097663 is an apocalyptic number.

1355097663 is a deficient number, since it is larger than the sum of its proper divisors (656038737).

1355097663 is a wasteful number, since it uses less digits than its factorization.

1355097663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26471 (or 26468 counting only the distinct ones).

The product of its (nonzero) digits is 510300, while the sum is 45.

The square root of 1355097663 is about 36811.6511854603. The cubic root of 1355097663 is about 1106.5988097798.

The spelling of 1355097663 in words is "one billion, three hundred fifty-five million, ninety-seven thousand, six hundred sixty-three".